diff --git a/requirements.txt b/requirements.txt
index c4fdf0c..a8d9189 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 Mastodon.py==1.8.1
-tox==4.14.1
\ No newline at end of file
+tox==4.21.2
\ No newline at end of file